Unreal Engine Issues
Unreal Engine Issues
Crash Occurs While Slicing Procedural Mesh Component
UE - Gameplay - Sep 19, 2016A crash is occurring when attempting to slice a procedural mesh that has the Create Other Half option enabled. Found in 4.13.0. Reproduced in Main CL 312 ...
Editor not properly handling frame ranges for 60fps animations
OLD - Anim - May 21, 2015The editor does not seem to be handling frame ranges properly for 60fps animations. Say you have a 200 frame animation that spans frame 0-200. Upon import it will be 201 frames. If you set the ra ...
Using dynamic bindings in a code class will result in the bindings becoming a permanent part of any Blueprint created from that class if a hot reload is performed.
UE - Foundation - Core - Mar 26, 2015If dynamic bindings are being used in a custom code class from which Blueprints are derived, any hot reload will make the bindings a permanent part of the Blueprint and they cannot be removed or cha ...
Crash While Running Project With d3ddebug Enabled (fix provided)
UE - Graphics Features - Mar 6, 2017A licensee encountered a crash during InjectTranslucentLightArray: according to them they fixed the issue in ShadowProjectionCommon.usf: /** Cube map texture. */ TextureCube<float> ShadowDepthCub ...
Crash exiting play in vr preview with -Vulkan and Oculus Rift
UE - Platform - XR - Dec 22, 2017Editor crashes after exiting a play in vr session with -Vulkan enabled Exclusive to Oculus Rift ...
BP nativization emits incorrect C++ code for noexport-typed struct field access in some cases.
UE - Gameplay - Blueprint - Dec 18, 2019In BlueprintCompilerCppBackendUtils.cpp: #define MAP_BASE_STRUCTURE_ACCESS(x) \ BaseStructureAccessorsMap.Add(x, TEXT("#x")) Needs to be changed to: #define MAP_BASE_STRUCTURE_ACCESS(x) \ ...
A Blueprint containing an array Swap node will fail to be nativized.
UE - Gameplay - Blueprint - Jul 17, 2020Blueprint assets that utilize an array "swap" node to swap elements cannot currently be converted to C++. Current workaround: Either avoid use of the "swap" node or exclude the Blueprint asset from ...
[CrashReport] D3D device lost. (Error: 0x887A0007 - 'RESET')
UE - Graphics Features - Dec 1, 2017This is a common 4.18 crash that occurs before projects load. All cases experience the "RESET" error. Possibly just driver issues? Source Context 188 // Workaround for the fact that i ...
Custom UVs don't store information properly in layered materials.
UE - Rendering Architecture - Materials - May 9, 2022[Link Removed] I have this set up so that FX artists can stack UV manipulations, so I don't want to just have all the UV manipulation in the layer with the base color, even though that does give me ...
[CrashReport] UE4Editor_Engine!FShaderCompilingManager::ProcessCompiledShaderMaps() [shadercompiler.cpp:1812]
UE - Graphics Features - Oct 27, 2017This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. It appears to crash without a project loaded, and only for ...